Term
| How do scientists think the moon was formed? |
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Definition
| When a large object struck Earth and material from both bodies combined. |
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Term
| When are tides the highest? |
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Definition
| When the sun, Earth, and moon are nearly in a line. |
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Term
| How long does one complete revolution of the Earth around the sun take? |
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Definition
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Term
| When do neap tides occur? |
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Definition
| When the sun's pull is at a right angle to the moon's pull. |
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Term
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Definition
| Mainly by differences in how much the moon pulls on different parts of the Earth. |
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Term
| When is the amount of the lighted side of the moon we see the same? |
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Definition
| During the first and third quarter phase. |
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Term
| What causes day and night? |
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Definition
| The Earth's rotation on its axis |
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Term
| How does a solar eclipse occur? |
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Definition
| The moon must be directly between the Earth and the sun. |
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Term
| When does North America experience direct sun rays and longer days? |
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Definition
| When the North end of Earth's axis is tilted toward the sun. |
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Term
| When do you see an increasing amount of the lighted side of the moon? |
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Definition
| From new moon phase to full moon phase. |
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Term
| How long does Earth's rotation take? |
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Definition
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Term
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Definition
| The time that day and night are of equal lengths |
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Term
| Why do the sun and moon seem to move? |
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Definition
| It's because of the rotation of Earth on its axis |
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Term
| Why can the moon be seen from Earth? |
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Definition
| Because sunlight reflects off the moon. |
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Term
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Definition
| The force of gravity from the sun and moon acting on Earth's waters. |
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Term
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Definition
| A tide with the least distance between low and high tides. |
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Term
| Why do day and night occur? |
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Definition
| Because the Earth is rotating on its axis. This makes it look like the sun and moon are moving. |
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Term
| Why is it warmer near the equator? |
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Definition
| Because the sun's rays are hitting it more directly. The poles receive indirect sunlight and it is colder there. |
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